.wrapper{
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #e8e8e8;
    height: 36px;
    .title{
        flex:3;
    }

    .handler{
        flex: 1;
        text-align: right;
        .btn{
            opacity: .2;
        }
    }
    &:hover{
        .handler{
            .btn{
                opacity: 1;
            }
        }
    }
}
.selected{
    color: #1890ff;
}